Canon EF100MM User Manual

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EF100mm f/2.8 MACRO USM

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Instruction

The Canon EF100mm f/2.8 MACRO USM is a macro lens that can be used for normal photography as well as macro photography up to 1x magnification. It is dedicated to Canon EOS cameras.

• "USM" stands for Ultrasonic Motor.

Thank you for purchasing a Canon product.

Features

1. The three-group floating system results in excellent delineation at all focusing distances from life-size to infinity.

2. Ultrasonic motor (USM) for quick and quiet autofocusing.

COPY3. A Canon macro flash makes it easy to take close-up pictures with a flash. The inner focusing mechanism enables AF photography while the macro flash is attached.

Conventions used in this instruction

Warning to prevent lens or camera malfunction or damage.

Supplementary notes on using the lens and taking pictures.

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a Safety Precautions


			This device complies with Part 15 of the FCC Rules. Operation is
a Safety Precautions
a Safety Precautions			subject to the following two conditions: (1) This device may not
•	Do not look at the sun or a bright light source		cause harmful interference, and (2) this device must accept any
	through the lens or camera. Doing so could result		interference received, including interference that may cause
	in loss of vision. Looking at the sun directly through		undesired operation.
	in loss of vision. Looking at the sun directly through		Do not make any changes or modifications to the equipment
	the lens is especially hazardous.		Do not make any changes or modifications to the equipment
	the lens is especially hazardous.		unless otherwise specified in the instructions. If such changes or
•	Whether it is attached to the camera or not, do
•	Whether it is attached to the camera or not, do		modifications should be made, you could be required to stop
	not leave the lens under the sun without the		modifications should be made, you could be required to stop
	not leave the lens under the sun without the		operation of the equipment.
	lens cap attached. This is to prevent the lens from		This equipment has been tested and found to comply with the
	concentrating the sun’s rays, which could cause a		limits for a class B digital device, pursuant to part 15 of the FCC
	fire.		Rules. These limits are designed to provide reasonable protection
			against harmful interference in a residential installation. This
			equipment generates, uses and can radiate radio frequency
Handling Cautions			energy and, if not installed and used in accordance with the
•	If the lens is taken from a cold environment into		instructions, may cause harmful interference to radio
•	If the lens is taken from a cold environment into		communications.
	a warm one, condensation may develop on the		communications.
	a warm one, condensation may develop on the		However, there is no guarantee that interference will not occur in
	lens surface and internal parts. To prevent
	lens surface and internal parts. To prevent		a particular installation. If this equipment does cause harmful
	condensation in this case, first put the lens into an
	condensation in this case, first put the lens into an		interference to radio or television reception, which can be
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	airtight plastic bag before taking it from a cold to		determined by turning the equipment off and on, the user is
	warm environment. Then take out the lens after it		encouraged to try to correct the interference by one or more of
	has warmed gradually. Do the same when taking		the following measures:
	the lens from a warm environment into a cold one.		• Reorient or relocate the receiving antenna.
	the lens from a warm environment into a cold one.		• Increase the separation between the equipment and receiver.
• Do not leave the lens in excessive heat such as in
• Do not leave the lens in excessive heat such as in			• Consult the dealer or an experienced radio/TV technician for
	a car in direct sunlight. High temperatures can
	a car in direct sunlight. High temperatures can		help.
	cause the lens to malfunction.		help.

			This Class B digital apparatus complies with Canadian ICES-003.


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Focusing ring (→ 4)

Nomenclature

Hood and Macro Ring Lite mount (→ 5, 11)

Focus mode switch (→ 4)

Distance scale (→ 8)

Tripod mounting location (→ 8)

Filter mounting thread (→ 10)

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Contacts (→ 4)

Lens mount index (→ 4)

Tripod mount adapter groove (→ 8) Focusing distance range selection switch (→ 5)

For detailed information, reference page numbers are provided in parentheses (→ **).

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1. Mounting and		2. Setting the Focus
Detaching the Lens		Mode

See your camera’s instructions for details on mounting and detaching the lens.

		To shoot in autofocus (AF) mode, set the focus
	• After detaching the lens, place the lens with the	mode switch to AF.
	• After detaching the lens, place the lens with the	To use only manual focusing (MF), set the focus
	rear end up to prevent the lens surface and	To use only manual focusing (MF), set the focus
	electrical contacts from getting scratched.	mode switch to MF, and focus by turning the
	• If the contacts get soiled, scratched, or have	focusing ring. The focusing ring always works,
	fingerprints on them, corrosion or faulty	regardless of the focus mode.
	connections can result. The camera andClensOPY
	may not operate properly.	After autofocusing in ONE SHOT AF mode, focus
	• If the contacts get soiled or have fingerprints on	manually by pressing the shutter button halfway
	them, clean them with a soft cloth.	and turning the focusing ring. (Full-time manual
	• If you remove the lens, cover it with the dust	focus)
	cap. To attach it properly, align the lens mount
	index and the K index of the dust cap as shown
	in the diagram, and turn clockwise. To remove it,
	reverse the order.

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